The Most Distant Stars We Can Measure Stellar Parallax for Are

question 122

Multiple Choice

The most distant stars we can measure stellar parallax for are approximately

• A) 5 parsecs away.
• B) 100 parsecs away.
• C) 10,000 parsecs away.
• D) halfway across the Milky Way Galaxy.
• E) in the Andromeda Galaxy.

---

Definitions:

Standard Error

The standard deviation of the sampling distribution of a statistic, commonly used to estimate the accuracy of sample mean as a predictor of the population mean.

Pooled Estimate

Combining estimates from different populations to obtain a single estimate that is more accurate and has a higher power due to a larger sample size.

Environmental Protection Agency

A U.S. government agency tasked with protecting human health and the environment through regulations and various initiatives.

Air Quality Standards

Regulations that define the maximum acceptable concentration of pollutants in the air, set to protect human health and the environment.